ArticleEvidence-based complementary and alternative medicine : eCAM2023
Shoseiryuto Promotes the Formation of a Tight-Junction Barrier in Cultured Human Bronchial Epithelial Cells.
Article in Evidence-based complementary and alternative medicine : eCAM, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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2 citing papers in PubMed, 2 citations in OpenAlex.
- Article
- Protective Effects ofBiology · 2025Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Shoseiryuto (SST) (Xiao-Qing-Long-Tang in Chinese) is an effective treatment for respiratory diseases, such as bronchial asthma and allergic rhinitis, but its effects on the bronchial tight-junction (TJ) barrier have not been clarified. This study aimed to evaluate the effect of SST on TJ-barrier function in human bronchial epithelial (16HBE) cells. The 16HBE cells were cultured in a culture medium without (control) and with SST in the absence and presence of bacterial endotoxin lipopolysaccharide (LPS) in transwell chambers. Transepithelial electrical resistance (TEER) and sodium fluorescein (Na-F) permeability of the cultured-cell monolayer were measured as TJ integrity markers. In addition, immunofluorescence staining and quantitative real-time polymerase chain reaction analysis were used to measure the expression of the TJ protein, occludin. SST increased TEER and decreased Na-F permeability of the 16HBE cell monolayers. Furthermore, SST increased both occludin mRNA and immunostained protein expressions, suggesting that SST has the effect of directly promoting epithelial TJ-barrier function. LPS decreased TEER, increased Na-F permeability, and decreased both occludin mRNA and protein expression. LPS-induced barrier dysfunction was completely blocked by pre/co- and posttreatment with SST. These results suggest that SST has protective and therapeutic effects against LPS-induced TJ-barrier damage. To our knowledge, these are the first results to demonstrate the protective and therapeutic effects conferred by TJ-barrier promoting, which may be a novel mechanism contributing to the efficacy of SST for respiratory diseases.
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Registered trials
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